#6374F4#6374F4

#6374F4 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 61.3% C 0.191 H 273.7°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#6374F4
RGB	rgb(99, 116, 244)
HSL	hsl(233, 87%, 67%)
HSV	hsv(233, 59%, 96%)
CMYK	cmyk(59.4%, 52.5%, 0%, 4.3%)
CIE-LAB	lab(53.68, 31.22, -66.37)
CIE-LCH	lch(53.68, 73.35, 295.19°)
OKLab	oklab(61.27% 0.0123 -0.1902)
OKLCH	oklch(61.27% 0.191 273.7)
XYZ	xyz(27.7147, 21.6729, 88.2932)
Luminance	0.2167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6374F4 #F4E363

analogous

#63BCF4 #6374F4 #9B63F4

triadic

#6374F4 #F46374 #74F463

tetradic

#6374F4 #F463BC #F4E363 #63F49B

square

#6374F4 #F463BC #F4E363 #63F49B

split-complementary

#6374F4 #F49B63 #BCF463

monochromatic

#0F25CE #2A41F0 #6374F4 #9CA7F8 #D5DAFC

Accessibility & contrast

On white

3.94

#6374F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#6374F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6374F4

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6374F4	#FFFFFF	#000000	##000000
##6374F4	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2487F8

Deuteranopia (green-blind)

#007AF1

Tritanopia (blue-blind)

#0092A9

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #6374f4;
/* rgb */ color: rgb(99, 116, 244);
/* oklch */ color: oklch(61.3% 0.191 273.7);

Tailwind

colors: {
  custom: {
    50: '#9c9bf8',
    500: '#6374f4',
    950: '#000000',
  },
}

SCSS

$custom: #6374f4;
$custom-light: #9c9bf8;
$custom-dark: #000000;

JSON

{
  "hex": "#6374f4",
  "rgb": {
    "r": 99,
    "g": 116,
    "b": 244
  },
  "hsl": {
    "h": 232.966,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.61273,
    "c": 0.19064,
    "h": 273.7
  },
  "luminance": 0.21675
}

Semantic roles & 50–950 ramp

primary

#6374F4

secondary

#F0EBC3

accent

#C902E3

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6374F4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →